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TPS61087-Q1

ACTIVE

18.5-V, 3.2-A, 650-kHz, 1.2-MHz step-up DC/DC converter with forced PWM mode, AEC-Q100 qualified

Product details

Rating Automotive Topology Boost Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 18.5 Vout (min) (V) 3 Switch current limit (typ) (A) 4 Features Enable, Nonsynchronous, Power good Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000075 Duty cycle (max) (%) 90 TI functional safety category Functional Safety-Capable
Rating Automotive Topology Boost Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 18.5 Vout (min) (V) 3 Switch current limit (typ) (A) 4 Features Enable, Nonsynchronous, Power good Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000075 Duty cycle (max) (%) 90 TI functional safety category Functional Safety-Capable
VSON (DRC) 10 9 mm² (3 mm × 3 mm)

The TPS61087-Q1 is a high-frequency, high-efficiency DC-to-DC converter with an integrated 3.2‑A, 0.13-Ω power switch that is capable of providing an output voltage up to 18.5 V. The selectable frequency of 650 kHz or 1.2 MHz allows the use of small external inductors and capacitors, and provides fast transient response. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.

The TPS61087-Q1 is a high-frequency, high-efficiency DC-to-DC converter with an integrated 3.2‑A, 0.13-Ω power switch that is capable of providing an output voltage up to 18.5 V. The selectable frequency of 650 kHz or 1.2 MHz allows the use of small external inductors and capacitors, and provides fast transient response. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at start-up.

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Technical documentation

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* Data sheet TPS61087-Q1 650-kHz or 1.2-MHz, 18.5-V Step-Up DC-DC Converter With 3.2-A Switch datasheet (Rev. C) PDF | HTML Jun 10, 2020
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML Dec 6, 2023
Functional safety information TPS61087-Q1 Functional Safety, FIT Rate, and Failure Mode Distribution May 22, 2020
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) Dec 11, 2018
Analog design Journal Design considerations for a resistive feedback divider in a DC/DC converter Apr 26, 2012
Analog design Journal IQ: What it is, what it isn’t, and how to use it Jun 17, 2011

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TPS61087EVM-317 — TPS61087 Evaluation Module

The TPS61087EVM-317 facilitates evaluation of the TPS61087 high frequency, high efficiency DC/DC converter. The evaluation module accepts an input voltage of 2.5 V to 6 V and generates an output voltage of 15 V with a maximum switch current of 3.2 A minimum.
User guide: PDF
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Simulation model

TPS61087 TINA-TI Transient Reference Design

SLVM423.TSC (196 KB) - TINA-TI reference design
Supported products & hardware
Simulation model

TPS61087 TINA-TI Transient Spice Model

SLVM424.ZIP (26 KB) - TINA-TI Spice model
Supported products & hardware
Simulation model

TPS61087 Unencrypted PSpice Transient Model Package (Rev. B)

SLIM131B.ZIP (49 KB) - PSpice model
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Package Pins CAD symbols, footprints & 3D models
VSON (DRC) 10 Ultra Librarian

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